Zip Code 21015
Bel Air, Maryland — Harford County
📍 ZIP code 21015 is in Bel Air, Harford County, Maryland.
ZIP code 21015 is located in Bel Air, Harford County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 30,451. The area code for ZIP code 21015 is 301.
Quick Answer
Zip code 21015 is in Bel Air, Maryland (Harford County). It has a population of 30,451, median household income of $137,219, and median home value of $418,400.
Population
30,451
Income
$137,219
Home Value
$418,400
Climate
86°F / 25°F
About Zip Code 21015
Zip code 21015 is located in Bel Air, Maryland, within Harford County. Home to approximately 30,451 residents, this area sits at an elevation of 370 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $137,219 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $418,400, and the cost of living index is 160 (60% above the national average of 100).
Summers average a high of 86°F while winters drop to 25°F. The area receives about 47 in of rain and 8 in of snow annually. The zip code covers 30.9 square miles of land area and 0.2 square miles of water.
Key Statistics
30,451
$137,219
$418,400
Eastern (EST/EDT)
301
370 ft
30.9 sq mi
40.3
11,584
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Compare With Nearby Zip Codes
| Metric | 21015 | 21028 | 21014 | 21009 | 21001 | 21017 |
|---|---|---|---|---|---|---|
| City | Bel Air, MD | Churchville, MD | Bel Air, MD | Abingdon, MD | Aberdeen, MD | Belcamp, MD |
| Population | 30,451 | 2,872 | 37,976 | 33,444 | 26,121 | 6,404 |
| Median Income | $137,219 | $133,583 | $113,825 | $117,017 | $81,778 | $100,298 |
| Home Value | $418,400 | $476,400 | $407,800 | $335,100 | $267,400 | $241,700 |
| Cost of Living | 160 | 170 | 140 | 125 | 95 | 102 |
| Median Age | 40.3 | 44.4 | 40.8 | 36.1 | 37.7 | 37.1 |
Cost of Living
100 = National Average. Bel Air's cost of living is 60% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.0x
Demographics
Zip code 21015 has a population of 30,451 people with a median age of 40.3. There are 11,584 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Bel Air (21015) population trend from 2010 to 2024
↑ 16.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
25°F
47 in
8 in
Bel Air experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 25°F. The area receives about 8 in of snow per year.
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Housing & Economy
Median Home Value
$418,400
Median Household Income
$137,219
With 11,584 housing units across 30.9 square miles, 21015 has a housing density of 375 units per square mile. The home price-to-income ratio is 3.0x.
Location & Geography
Latitude
39.5442°
Longitude
-76.2925°
Land Area
30.9 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 21015 (Bel Air, MD) with distances:
All Zip Codes in Bel Air, MD
Other zip codes serving Bel Air:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 21015's $137,219. A way to compare Bel Air to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 21015 (Bel Air, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Bel Air, Maryland?
Bel Air, Maryland uses zip code 21015 along with 1 other zip codes.
What county is zip code 21015 in?
Zip code 21015 is located in Harford County, Maryland.
What is the population of zip code 21015?
The population of zip code 21015 is 30,451 with a median age of 40.3.
Is 21015 in Bel Air, Maryland?
Yes, zip code 21015 is in Bel Air, Harford County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 21015 in?
Zip code 21015 is in Bel Air, Maryland. It is part of Harford County and uses the Eastern (EST/EDT) timezone.
What is zip code 21015?
Zip code 21015 is a U.S. postal code in Bel Air, Maryland (Harford County). It has a population of 30,451 and covers 30.9 square miles.
What is the population of zip code 21015?
The population of zip code 21015 (Bel Air, MD) is 30,451 with a median age of 40.3. There are approximately 11,584 housing units in this area.
What is the median income in zip code 21015?
The median household income in zip code 21015 (Bel Air, MD) is $137,219 per year. The cost of living index is 160 (100 = national average).
What is the average home price in zip code 21015?
The median home value in zip code 21015 (Bel Air, MD) is $418,400. The cost of living index is 160 compared to the national average of 100.
What county is zip code 21015 in?
Zip code 21015 is located in Harford County, Maryland. The primary city is Bel Air.
What is the area code for zip code 21015?
Zip code 21015 in Bel Air, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21015 a good place to live?
Zip code 21015 (Bel Air, MD) has a cost of living index of 160 (100 = national average), a median household income of $137,219, and median home values of $418,400. The median age is 40.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21015?
The cost of living index for zip code 21015 (Bel Air, MD) is 160, where 100 represents the national average. This area is above the national average. Median home value: $418,400.
What schools serve zip code 21015?
Zip code 21015 in Bel Air, Maryland is served by the local school district of Harford County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.